1. Faculty of Pharmacy; Uttarakhand Technical University; Dehradun Uttarakhand 248007 India
2. Department of Pharmaceutical Sciences; Dibrugarh University; Dibrugarh Assam 786004 India
3. Regional Medical Research Center NE Region; Indian Council of Medical Research; Post Box # 105 Dibrugarh Assam 786001 India
4. National Institute for Research in Environmental Health; Indian Council of Medical Research; Bhopal Madhya Pradesh 462001 India